/**
 * PocketAdmin Gallery — pocketmine design system
 * Tokens: --surface, --accent #0a7a54, --border, --r-*, --shadow-*
 */

.pocketadmin-gallery-wrapper {
	--pmg-accent: var(--accent, #0a7a54);
	--pmg-accent-hover: var(--accent-hover, #086644);
	--pmg-accent-soft: var(--accent-soft, #e8faf3);
	--pmg-surface: var(--surface, #ffffff);
	--pmg-surface-2: var(--surface-2, #f0f0f5);
	--pmg-border: var(--border, #e6e6ef);
	--pmg-border-2: var(--border-2, #d4d4e0);
	--pmg-text: var(--text, #14141f);
	--pmg-text-2: var(--text-2, #5c5c70);
	--pmg-r: var(--r, 12px);
	--pmg-r-lg: var(--r-lg, 16px);
	--pmg-shadow: var(--shadow-sm, 0 1px 3px rgba(20, 20, 31, 0.05), 0 4px 12px rgba(20, 20, 31, 0.04));

	box-sizing: border-box;
	background: var(--pmg-surface);
	border: 1px solid var(--pmg-border);
	border-radius: var(--pmg-r-lg);
	box-shadow: var(--pmg-shadow);
	padding: 12px;
	margin: 1.5rem 0;
	max-width: 100%;
	overflow: hidden;
	-webkit-tap-highlight-color: transparent;
	outline: none;
}

.pocketadmin-gallery-wrapper *,
.pocketadmin-gallery-wrapper *::before,
.pocketadmin-gallery-wrapper *::after {
	box-sizing: border-box;
}

/* Main stage */
.pocketadmin-gallery-main {
	position: relative;
	width: 100%;
	aspect-ratio: 16 / 9;
	background: var(--pmg-surface-2);
	border-radius: var(--pmg-r);
	overflow: hidden;
	touch-action: pan-y;
	user-select: none;
	-webkit-user-select: none;
}

.pocketadmin-gallery-image {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: contain;
	display: block;
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	z-index: 0;
	transition: opacity 0.28s ease;
}

.pocketadmin-gallery-image.active {
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
	z-index: 1;
}

/* Nav buttons */
.pocketadmin-gallery-nav {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	z-index: 5;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	margin: 0;
	padding: 0;
	border: 1px solid var(--pmg-border-2);
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.92);
	color: var(--pmg-text);
	font-size: 22px;
	line-height: 1;
	font-family: inherit;
	font-weight: 500;
	cursor: pointer;
	box-shadow: var(--pmg-shadow);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
	transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.15s ease, opacity 0.2s ease;
	-webkit-appearance: none;
	appearance: none;
}

.pocketadmin-gallery-nav:hover:not(:disabled),
.pocketadmin-gallery-nav:focus-visible {
	background: var(--pmg-accent);
	border-color: var(--pmg-accent);
	color: #fff;
	outline: none;
}

.pocketadmin-gallery-nav:active:not(:disabled) {
	transform: translateY(-50%) scale(0.94);
}

.pocketadmin-gallery-nav.prev {
	left: 10px;
}

.pocketadmin-gallery-nav.next {
	right: 10px;
}

.pocketadmin-gallery-nav:disabled {
	opacity: 0.35;
	cursor: default;
	pointer-events: none;
}

/* Counter chip */
.pocketadmin-gallery-counter {
	position: absolute;
	top: 10px;
	right: 10px;
	z-index: 5;
	padding: 5px 12px;
	border-radius: 999px;
	background: rgba(20, 20, 31, 0.72);
	color: #fff;
	font-size: 13px;
	font-weight: 500;
	line-height: 1.3;
	letter-spacing: 0.02em;
	backdrop-filter: blur(6px);
	-webkit-backdrop-filter: blur(6px);
	pointer-events: none;
}

/* Thumbnails strip */
.pocketadmin-gallery-thumbnails {
	display: flex;
	gap: 8px;
	margin-top: 10px;
	padding: 2px 2px 6px;
	overflow-x: auto;
	overflow-y: hidden;
	scroll-behavior: smooth;
	-webkit-overflow-scrolling: touch;
	scrollbar-width: thin;
	scrollbar-color: var(--pmg-accent) var(--pmg-surface-2);
}

.pocketadmin-gallery-thumbnails::-webkit-scrollbar {
	height: 6px;
}

.pocketadmin-gallery-thumbnails::-webkit-scrollbar-track {
	background: var(--pmg-surface-2);
	border-radius: 3px;
}

.pocketadmin-gallery-thumbnails::-webkit-scrollbar-thumb {
	background: var(--pmg-accent);
	border-radius: 3px;
}

.pocketadmin-thumbnail {
	flex: 0 0 auto;
	width: 88px;
	height: 56px;
	padding: 0;
	margin: 0;
	border: 2px solid transparent;
	border-radius: 8px;
	overflow: hidden;
	cursor: pointer;
	background: var(--pmg-surface-2);
	position: relative;
	transition: border-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
	-webkit-appearance: none;
	appearance: none;
	font: inherit;
	color: inherit;
}

.pocketadmin-thumbnail img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	pointer-events: none;
}

.pocketadmin-thumbnail:not(.active) {
	opacity: 0.72;
}

.pocketadmin-thumbnail:hover:not(.active),
.pocketadmin-thumbnail:focus-visible:not(.active) {
	opacity: 1;
	border-color: var(--pmg-border-2);
	outline: none;
}

.pocketadmin-thumbnail.active {
	opacity: 1;
	border-color: var(--pmg-accent);
	box-shadow: 0 0 0 2px var(--pmg-accent-soft);
}

.pocketadmin-gallery-error {
	background: #fef2f2;
	color: #b91c1c;
	border: 1px solid #fecaca;
	padding: 12px 16px;
	border-radius: var(--pmg-r);
	margin: 1.25rem 0;
	text-align: center;
	font-size: 14px;
}

/* Tablet */
@media (max-width: 900px) {
	.pocketadmin-gallery-wrapper {
		padding: 10px;
	}

	.pocketadmin-gallery-nav {
		width: 40px;
		height: 40px;
		font-size: 20px;
	}

	.pocketadmin-thumbnail {
		width: 76px;
		height: 50px;
	}
}

/* Mobile */
@media (max-width: 640px) {
	.pocketadmin-gallery-wrapper {
		padding: 8px;
		border-radius: var(--pmg-r);
		margin: 1.1rem 0;
	}

	.pocketadmin-gallery-main {
		aspect-ratio: 4 / 3;
		border-radius: 10px;
	}

	.pocketadmin-gallery-nav {
		width: 36px;
		height: 36px;
		font-size: 18px;
		background: rgba(255, 255, 255, 0.95);
	}

	.pocketadmin-gallery-nav.prev {
		left: 6px;
	}

	.pocketadmin-gallery-nav.next {
		right: 6px;
	}

	.pocketadmin-gallery-counter {
		top: 8px;
		right: 8px;
		font-size: 12px;
		padding: 4px 10px;
	}

	.pocketadmin-gallery-thumbnails {
		gap: 6px;
		margin-top: 8px;
	}

	.pocketadmin-thumbnail {
		width: 64px;
		height: 44px;
		border-radius: 6px;
		border-width: 2px;
	}
}

/* Very small phones */
@media (max-width: 380px) {
	.pocketadmin-gallery-main {
		aspect-ratio: 1 / 1;
	}

	.pocketadmin-thumbnail {
		width: 56px;
		height: 40px;
	}

	.pocketadmin-gallery-nav {
		width: 32px;
		height: 32px;
		font-size: 16px;
	}
}

/* Prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
	.pocketadmin-gallery-image {
		transition: none;
	}

	.pocketadmin-gallery-nav,
	.pocketadmin-thumbnail {
		transition: none;
	}

	.pocketadmin-gallery-thumbnails {
		scroll-behavior: auto;
	}
}